Mathematics, 09.11.2020 17:00, leasiamoore

Suppose sin(x) = - 3/5 and cos(x) < 0. What is the value of cos(2x). A. - 16/25
B. -7/25
C. 7/25
D. 16/25

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 22.06.2019 03:30, Jxsolvez

Can someone me on this math worksheet about finding the given variable for these angles, and whether the triangles are similar. i really need these answers i’m so confused: ( !

Answers: 1

continue

Mathematics, 22.06.2019 04:00, KaseyT

What is the quotient of 3x^4+22x^3+37x^2-7x+10

Answers: 1

continue

Mathematics, 22.06.2019 07:30, garrettbridges6435

Joe has 45 minutes before he has to go to soccer practice he spends 20 minuets eating a snack and the rest of the time doing his homework write an equation to express how long joe spent doing his homework

Answers: 2

continue

Mathematics, 22.06.2019 07:40, natetheman7740

Suppose a batch of steel rods produced at a steel plant have a mean length of 150 millimeters, and a standard deviation of 12. if 100 rods are sampled at random from the batch, what is the probability that the mean length of the sample rods would differ from the population mean by less than 0.5 millimeters?

Answers: 1

continue

Do you know the correct answer?

Suppose sin(x) = - 3/5 and cos(x) < 0. What is the value of cos(2x). A. - 16/25
B. -7/25